volume 96, issue 4, P339-348 2014
DOI: 10.1007/s40031-014-0134-8
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Abstract: The availability of daylight on any plane of a building and the passive heat gain due to the corresponding incident solar radiation is correlated by daylight luminous efficacy. The present study was carried out to evaluate daylight efficacy on exterior horizontal plane for Kolkata using Perez Model an established analytical model and Indian measured solar radiation database. The analytical model was selected according to the sky conditions throughout the year. The estimated efficacy models were used to predic…

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